King Saud University seeks to become a leader in educational and technological innovation, scientific discovery and creativity through fostering an atmosphere of intellectual inspiration and partnership for the prosperity of society.

لێدووانه‌کان

The question you being with is very interesting "Why do some elements form +1 ions? Why do others form +2 ions? And yet, still others form-­‐1,-­‐2or-­‐3 ions?" I think I might try to use this as a challenge for my students. I don't see where you ask the students to make sense of their investigation and I encourage you to do so. It is easy to update your activity if you do make changes. Trish12/9/12

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لێدووانه‌کان

What do you think about this activity? How did you use it or change it for your class? Professionally constructive comments welcome.